Well, I only recently got my Bronco running so it hasn't been offroad. I've just always read on here that edelbrocks (1406) are bad offroad. My bronco will be mostly street so I didn't mind buying the 1406. But when I saw the reviews of this Summit, I thought I would look into it since it sounded like it was as good as the 1406 on the street but possibly better offroad. I guess I should give it a try first. I have two 1406 carbs so maybe I'll modify one with all the offroad mods and see if there is a difference.